Patent 7874484 was granted and assigned to Hyundai Motor Company on January, 2011 by the United States Patent and Trademark Office.
The present invention provides a smart key in which a portable memory card is detachably mounted. The smart key includes a card mounting portion into which a portable memory card having at least one terminal is inserted, a card reader for the portable memory card, and a connector for connecting the smart key to the key box. The card reader comprises an interface to which the terminal or terminals are connected and a control unit for converting data received from the portable memory card into a format readable by an audio system of the vehicle.